Setup Grunt to compile and autoprefix the SASS

Type `npm install` to install all dependencies.
Type `grunt` everytime you want to rebuild the css.

.gitignore

@@ -5,4 +5,6 @@ venv
 blender-bfct/config.py
 blender-bfct/runserver.wsgi
 node_modules
-blender-bfct/application/static/assets/css/main.css
+blender-bfct/application/static/assets/css/main.css
+.sass-cache/
+*css.map

Gruntfile.js

@@ -0,0 +1,25 @@
+module.exports = function(grunt) {
+	grunt.initConfig({
+		pkg: grunt.file.readJSON('package.json'),
+
+		sass: {
+			dist: {
+				options: {
+					style: 'compressed'
+				},
+				files: {
+					'blender-bfct/application/static/assets/css/main.css': 'blender-bfct/application/static/assets/sass/main.sass'
+				}
+			}
+		},
+
+		autoprefixer: {
+			no_dest: { src: 'blender-bfct/application/static/assets/css/main.css' }
+		}
+	});
+
+	grunt.loadNpmTasks('grunt-contrib-sass');
+	grunt.loadNpmTasks('grunt-autoprefixer');
+
+	grunt.registerTask('default', ['sass', 'autoprefixer']);
+};

package.json

@@ -5,5 +5,10 @@
     "url": "git://git.blender.org/blender-bfct.git"
   },
   "author": "Blender Foundation",
-  "license": "GPL"
+  "license": "GPL",
+  "devDependencies": {
+    "grunt": "^0.4.5",
+    "grunt-autoprefixer": "^2.0.0",
+    "grunt-contrib-sass": "^0.8.1"
+  }
 }